/* ==========================================================================
   Sistema Varieté Commerce Intelligence — hoja de estilos base
   Sin frameworks externos. Variables CSS para theming centralizado.
   ========================================================================== */

:root {
  /* Colores base */
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-surface-alt: #fafbfc;
  --color-border: #e3e6ea;
  --color-border-strong: #cbd0d8;

  /* Texto */
  --color-text: #1a1d23;
  --color-text-secondary: #5b6270;
  --color-text-muted: #9aa1ac;
  --color-text-inverse: #ffffff;

  /* Marca / acciones */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #eaf1ff;

  /* Estados */
  --color-success: #16a34a;
  --color-success-bg: #eafbf0;
  --color-warning: #b45309;
  --color-warning-bg: #fff8e6;
  --color-danger: #dc2626;
  --color-danger-bg: #fdecec;
  --color-info: #2563eb;
  --color-info-bg: #eaf1ff;

  /* Geometría */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 6px 16px rgba(16, 24, 40, 0.08);

  /* Layout */
  --header-height: 64px;
  --container-max: 1180px;
  --transition: 150ms ease;

  /* Calidez (REQ-018): acento terracota y superficies tenues */
  --color-accent: #b4552d;
  --color-accent-dark: #93421f;
  --color-accent-soft: #fbeee6;
  --color-surface-warm: #fffaf5;
  --color-border-warm: #eadfd2;
  --color-text-warm: #4a3f35;
  --shadow-soft: 0 1px 3px rgba(88, 60, 30, 0.08), 0 4px 12px rgba(88, 60, 30, 0.05);

  /* Estados de matching: fondo tenue + texto con contraste AA */
  --color-match-confirmado: #1e6b3a;
  --color-match-confirmado-bg: #e6f4ea;
  --color-match-posible: #8a5a00;
  --color-match-posible-bg: #fdf0d5;
  --color-match-descartado: #6b665f;
  --color-match-descartado-bg: #eceae6;
  --color-diff-up: #1e6b3a;
  --color-diff-up-bg: #e6f4ea;
  --color-diff-down: #a3281d;
  --color-diff-down-bg: #fdeceb;
  --color-diff-even: #5b6270;
  --color-diff-even-bg: #eef0f3;
}

/* ---------- Reset básico ---------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 4px 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; }
p { margin: 0 0 8px 0; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.text-muted { color: var(--color-text-secondary); font-size: 0.9rem; }

/* ==========================================================================
   Header / navegación
   ========================================================================== */

.app-header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.app-header__inner {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Marca: dos niveles tipográficos — "VARIETÉ" (principal) + "Commerce Intelligence" (sistema) */
.app-header__brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}
.app-header__brand:hover { text-decoration: none; }

.app-header__brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.app-header__brand-sub {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.app-header__toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 36px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text);
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.app-nav__link {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.app-nav__link:hover { background: var(--color-surface-alt); color: var(--color-text); text-decoration: none; }
.app-nav__link.is-active { color: var(--color-primary); background: var(--color-primary-light); }

.app-header__user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.app-header__username { font-weight: 600; font-size: 0.9rem; }

.app-header__logout-form { margin: 0; }

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-role { background: var(--color-surface-alt); color: var(--color-text-secondary); border: 1px solid var(--color-border); text-transform: capitalize; }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-pending { background: var(--color-surface-alt); color: var(--color-text-muted); border: 1px dashed var(--color-border-strong); }

/* ==========================================================================
   Botones
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  text-decoration: none;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border-strong); }
.btn-secondary:hover { background: var(--color-surface-alt); }

.btn-danger { background: var(--color-danger-bg); color: var(--color-danger); border-color: transparent; }
.btn-danger:hover { background: #fbdede; }

.btn-success { background: var(--color-success-bg); color: var(--color-success); }
.btn-success:hover { background: #d9f6e3; }

.btn-ghost { background: transparent; color: var(--color-text-secondary); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-surface-alt); }

.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.btn-block { width: 100%; }

/* ==========================================================================
   Layout principal
   ========================================================================== */

.app-main { padding: 32px 20px 60px; }

.app-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-header { margin-bottom: 24px; }

.page-header--with-action {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}


.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.back-link:hover { color: var(--color-primary); text-decoration: none; }
.back-link:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* ==========================================================================
   Tarjetas / cards
   ========================================================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.form-card { max-width: 480px; margin-bottom: 24px; }
.form-card--secondary { border-style: dashed; }

/* ==========================================================================
   Grid de módulos (dashboard)
   ========================================================================== */

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.module-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  color: var(--color-text);
}
a.module-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); text-decoration: none; color: var(--color-text); }

.module-card__title { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.module-card__desc { color: var(--color-text-secondary); font-size: 0.85rem; margin-bottom: 12px; }

.module-card--disabled {
  opacity: 0.65;
  cursor: default;
}

/* ==========================================================================
   Formularios
   ========================================================================== */

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select {
  width: 100%;
  padding: 10px 12px;
  font-size: 0.92rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-hint { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 4px; }
.form-error { font-size: 0.8rem; color: var(--color-danger); margin-top: 4px; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  cursor: pointer;
}
.checkbox-label input { width: auto; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.inline-form { display: inline; margin: 0; }

/* ==========================================================================
   Autenticación
   ========================================================================== */

.auth-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 40px;
}

.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}

.auth-brand__name {
  display: block;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.auth-brand__sub {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  margin-top: 2px;
}

.auth-brand__descriptor {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
}

.auth-card__header { margin-bottom: 24px; text-align: center; }

/* ==========================================================================
   Páginas de error (403 / 404)
   ========================================================================== */

.error-page {
  text-align: center;
  padding: 56px 16px;
  max-width: 420px;
  margin: 0 auto;
}

.error-page__code {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 12px;
}

.error-page__title { margin-bottom: 8px; }

.error-page__desc {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.error-page__actions {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   Tabla
   ========================================================================== */

.table-wrap {
  overflow-x: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.table { width: 100%; border-collapse: collapse; min-width: 560px; }

.table th, .table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.table th {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--color-surface-alt);
}

.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-surface-alt); }

.table__actions { display: flex; gap: 8px; align-items: center; white-space: nowrap; }
.table__actions-col { width: 1%; }
.table__empty { text-align: center; color: var(--color-text-muted); padding: 32px 16px; }

/* ==========================================================================
   Alertas / flash messages
   ========================================================================== */

.flash-stack { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }

.alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  border: 1px solid transparent;
}

.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: #bdedcd; }
.alert-danger { background: var(--color-danger-bg); color: var(--color-danger); border-color: #f7c9c9; }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: #f2debb; }
.alert-info { background: var(--color-info-bg); color: var(--color-info); border-color: #c9dcfb; }

.alert__close {
  background: none;
  border: none;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
}
.alert__close:hover { opacity: 1; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .app-header__toggle { display: inline-flex; }

  .app-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .app-nav.is-open { display: flex; }
  .app-nav__link { padding: 12px; }

  .app-header__user { margin-left: 0; }
  .app-header__username { display: none; }

  .app-main { padding: 20px 16px 48px; }

  .page-header--with-action { flex-direction: column; }

  .form-actions { flex-direction: column; }
  .form-actions .btn { width: 100%; }
}

/* Header muy angosto: ocultar la sub-etiqueta de marca para no chocar con el toggle */
@media (max-width: 480px) {
  .app-header__brand-sub { display: none; }
}

/* Provider summary card (Sodimac, y futuros proveedores) */
.provider-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.provider-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.provider-card__title h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text);
}

.provider-card__run {
  font-size: 0.8rem;
  color: var(--color-text);
  opacity: 0.6;
}

.provider-card__badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.provider-card__badge--ok { background: var(--color-success-bg); color: var(--color-success); }
.provider-card__badge--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.provider-card__badge--danger { background: var(--color-danger-bg); color: var(--color-danger); }

.provider-card__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}

.provider-card__stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.provider-card__stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.provider-card__stat-label {
  font-size: 0.75rem;
  color: var(--color-text);
  opacity: 0.7;
}

.provider-card__distribution h4 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.8;
}

.provider-card__dist-row {
  display: grid;
  grid-template-columns: 60px 1fr 32px;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.provider-card__dist-label {
  font-size: 0.75rem;
  color: var(--color-text);
  opacity: 0.75;
}

.provider-card__dist-bar-track {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  height: 8px;
  overflow: hidden;
}

.provider-card__dist-bar {
  background: var(--color-primary);
  height: 100%;
  border-radius: var(--radius-sm);
}

.provider-card__dist-count {
  font-size: 0.75rem;
  text-align: right;
  color: var(--color-text);
}

.provider-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
}

.provider-card__updated {
  font-size: 0.75rem;
  color: var(--color-text);
  opacity: 0.6;
}

@media (max-width: 768px) {
  .provider-card__stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Nota discreta de incidencias dentro del provider-card */
.provider-card__note {
  font-size: 0.78rem;
  color: var(--color-text);
  opacity: 0.75;
}

.provider-card__note summary {
  cursor: pointer;
  list-style: none;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

.provider-card__note summary::-webkit-details-marker {
  display: none;
}

.provider-card__note summary:hover,
.provider-card__note summary:focus-visible {
  opacity: 1;
  text-decoration-style: solid;
}

.provider-card__note-body {
  margin: 0.4rem 0 0;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  max-width: 320px;
}

/* ==========================================================================
   Utilidad
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Provider card clickeable (Sodimac y futuros proveedores)
   ========================================================================== */

.provider-card--clickable { cursor: pointer; transition: box-shadow var(--transition); }
.provider-card--clickable:hover { box-shadow: var(--shadow-md); }

.provider-card__title h3 a {
  color: inherit;
  text-decoration: none;
}
.provider-card__title h3 a:hover { text-decoration: underline; }

.provider-card__stat {
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-sm);
  padding: 4px 6px;
  margin: -4px -6px;
  transition: background var(--transition);
}
.provider-card__stat:hover {
  background: var(--color-surface-alt);
  text-decoration: none;
}

/* ==========================================================================
   Explorador de catálogo
   ========================================================================== */

.catalog-indicators {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.catalog-indicators__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  min-width: 140px;
}

.catalog-indicators__value { font-size: 1.3rem; font-weight: 700; color: var(--color-primary); }
.catalog-indicators__label { font-size: 0.78rem; color: var(--color-text-secondary); }
.catalog-indicators__help {
  margin: 4px 0 0;
  max-width: 230px;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--color-text-secondary);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  align-items: start;
}

.catalog-filters-toggle { display: none; margin-bottom: 12px; }

.catalog-filters {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 18px;
  position: sticky;
  top: calc(var(--header-height) + 16px);
  max-height: calc(100vh - var(--header-height) - 32px);
  overflow-y: auto;
}

.catalog-filters__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.catalog-filters__header h2 { font-size: 0.95rem; }

.filter-group { margin-bottom: 18px; }
.filter-group > label { display: block; font-weight: 600; font-size: 0.82rem; margin-bottom: 6px; }

.filter-group input[type="text"],
.filter-group input[type="number"],
.filter-group select {
  width: 100%;
  padding: 8px 10px;
  font-size: 0.88rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}
.filter-group input:focus, .filter-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.range-inputs { display: flex; align-items: center; gap: 8px; }
.range-inputs input { width: 0; flex: 1; }
.range-inputs span { color: var(--color-text-muted); font-size: 0.8rem; }

.category-tree, .brand-list {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.category-tree ul { list-style: none; margin: 0; padding-left: 14px; }
.category-tree__root { padding-left: 0 !important; }

.category-node {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.82rem;
  color: var(--color-text);
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.category-node:hover { background: var(--color-surface-alt); }
.category-node.is-selected { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }
.category-node__count { font-size: 0.72rem; color: var(--color-text-muted); white-space: nowrap; }

.brand-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  font-size: 0.82rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.brand-item:hover { background: var(--color-surface-alt); }
.brand-item input { width: auto; flex: none; }
.brand-item span:nth-child(2) { flex: 1; }
.brand-item__count { font-size: 0.72rem; color: var(--color-text-muted); }

.catalog-results { min-width: 0; }

.catalog-commercial-filters {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(140px, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.catalog-commercial-filters .filter-group { min-width: 0; margin-bottom: 0; }

.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.active-filters { display: flex; flex-wrap: wrap; gap: 8px; }

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: none;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}
.filter-chip:hover { background: #dce8fe; }

.catalog-sort { display: flex; align-items: center; gap: 8px; }
.catalog-sort select {
  padding: 7px 10px;
  font-size: 0.85rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.product-grid__empty { grid-column: 1 / -1; text-align: center; padding: 48px 16px; }

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  color: var(--color-text);
  text-decoration: none;
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); text-decoration: none; color: var(--color-text); }

.product-card__image {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__image img { width: 100%; height: 100%; object-fit: contain; }
.product-card__image-empty { font-size: 0.78rem; color: var(--color-text-muted); }

.product-card__badges { position: absolute; top: 8px; left: 8px; display: flex; gap: 4px; flex-direction: column; }
.product-card__badge { font-size: 0.7rem; padding: 2px 7px; border-radius: 999px; font-weight: 700; }

.product-card__body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.product-card__brand { font-size: 0.72rem; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.02em; }
.product-card__name { font-size: 0.88rem; font-weight: 600; line-height: 1.3; }
.product-card__sku, .product-card__category { font-size: 0.72rem; color: var(--color-text-muted); }
.product-card__gtin {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.product-card__copy-gtin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}

.product-card__copy-gtin svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.product-card__copy-gtin:hover,
.product-card__copy-gtin:focus {
  color: var(--color-primary);
  background: var(--color-surface-alt);
  outline: none;
}

.product-card__copy-gtin.is-copied {
  color: var(--color-success);
}
.product-card__category { margin-bottom: 6px; }

.product-card__price { margin-top: auto; padding-top: 8px; display: flex; flex-direction: column; }
.product-card__price-reference { font-size: 0.75rem; color: var(--color-text-muted); text-decoration: line-through; }
.product-card__price-effective { font-size: 1.05rem; font-weight: 700; color: var(--color-text); }
.product-card__price--unavailable { font-size: 0.82rem; color: var(--color-text-muted); font-style: italic; }

.catalog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.catalog-pagination__info { font-size: 0.85rem; color: var(--color-text-secondary); display: flex; align-items: center; gap: 6px; }
.catalog-pagination__info input {
  width: 60px;
  padding: 5px 6px;
  text-align: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}

@media (max-width: 900px) {
  .catalog-layout { grid-template-columns: 1fr; }

  .catalog-commercial-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .catalog-filters-toggle { display: inline-flex; }

  .catalog-filters {
    display: none;
    position: static;
    max-height: none;
  }
  .catalog-filters.is-open { display: block; }
}

@media (max-width: 520px) {
  .catalog-commercial-filters { grid-template-columns: minmax(0, 1fr); padding: 14px; }
}

/* ==========================================================================
   Ajuste: distribución de descuentos ahora es enlace (deep link por tramo)
   ========================================================================== */

.provider-card__dist-row {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  margin: -2px -4px;
  transition: background var(--transition);
}
.provider-card__dist-row:hover {
  background: var(--color-surface-alt);
  text-decoration: none;
}


/* =====================================================================
   Detalle de producto (REQ-008) — sección única y consolidada
   Reutiliza componentes globales: .card, .btn*, .badge*, .text-muted.
   Breakpoint de dos columnas: 900px (mismo que el explorador).
   ===================================================================== */

.product-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.product-detail [hidden] {
  display: none !important;
}


/* ---------- Breadcrumb de categorías ---------- */
.product-detail__breadcrumb {
  margin-bottom: 12px;
}

.product-detail__breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.product-detail__crumb {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  overflow-wrap: anywhere;
}

.product-detail__crumb + .product-detail__crumb::before {
  content: "›";
  margin: 0 8px;
  color: var(--color-text-muted);
}

.product-detail__crumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.product-detail__crumb a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.product-detail__crumb:last-child a,
.product-detail__crumb:last-child span {
  color: var(--color-text);
}

/* ---------- Bloque principal ---------- */
.product-detail__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

@media (min-width: 900px) {
  .product-detail__top {
    grid-template-columns: minmax(0, 11fr) minmax(0, 10fr);
    gap: 40px;
  }
}

/* ---------- Galería ---------- */
.product-detail__gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.product-detail__stage {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.product-detail__main-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
}

.product-detail__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 100%;
  justify-content: center;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.product-detail__thumbs {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.product-detail__thumb {
  display: block;
  flex: none;
  width: 68px;
  height: 68px;
  padding: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition);
}

.product-detail__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail__thumb:hover {
  border-color: var(--color-border-strong);
}

.product-detail__thumb.is-active {
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.product-detail__thumb:focus-visible,
.product-detail__crumb a:focus-visible,
.product-detail__external:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- Información comercial ---------- */
.product-detail__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.product-detail__heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-detail__brand {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.product-detail__name {
  margin: 0;
  font-size: clamp(1.3rem, 1.1rem + 0.9vw, 1.7rem);
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.product-detail__model {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.product-detail__notice {
  margin: 0;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--color-warning);
  background: var(--color-warning-bg);
  border-radius: var(--radius-sm);
}

/* Precio */
.product-detail__price,
.product-detail__price-missing {
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.product-detail__price-ref-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
}

.product-detail__price-reference {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}

.product-detail__price-effective {
  margin: 0;
  font-size: clamp(1.8rem, 1.45rem + 1.5vw, 2.35rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.product-detail__price-unit {
  margin: 6px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.product-detail__price-missing {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

/* Observaciones de calidad del dato de precio (advertencias) */
.product-detail__warnings {
  margin-top: -6px;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-warning);
  border-radius: var(--radius-sm);
}

.product-detail__warnings-title {
  margin: 0;
  font-weight: 600;
  color: var(--color-warning);
}

.product-detail__warnings ul {
  margin: 4px 0 0;
  padding-left: 18px;
}

/* Promociones */
.product-detail__promo {
  padding: 12px 14px;
  background: var(--color-success-bg);
  border-radius: var(--radius-md);
}

.product-detail__promo-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.product-detail__promo-title .badge {
  background: var(--color-surface);
}

.product-detail__general-benefits {
  padding: 12px 14px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
}

.product-detail__general-benefits-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.product-detail__general-benefits ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

.product-detail__general-benefits-note {
  margin: 6px 0 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.product-detail__promo-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.product-detail__promo-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-detail__promo-name {
  font-weight: 600;
  color: var(--color-success);
}

.product-detail__promo-detail {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Disponibilidad */
.product-detail__label {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.product-detail__avail-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
}

.product-detail__avail-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.9rem;
}

.product-detail__avail-row dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

.product-detail__avail-value--ok { color: var(--color-success); }
.product-detail__avail-value--off { color: var(--color-text-secondary); font-weight: 400; }

/* Acción externa: solo layout; el componente es .btn .btn-primary */
.product-detail__external {
  align-self: flex-start;
  min-height: 44px;
}

@media (max-width: 599px) {
  .product-detail__external {
    align-self: stretch;
  }
}

/* ---------- Secciones secundarias ---------- */
.product-detail__sections {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
}

@media (min-width: 900px) {
  .product-detail__sections {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
  }
  .product-detail__section--wide {
    grid-column: 1 / -1;
  }
}

.product-detail__section {
  min-width: 0;
}

.product-detail__section-title {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 700;
}

.product-detail__desc {
  margin: 0 0 12px;
  max-width: 72ch;
  line-height: 1.6;
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.product-detail__desc:last-child {
  margin-bottom: 0;
}

.product-detail__specs {
  margin: 0;
}

.product-detail__spec-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 16px;
  padding: 8px 0;
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
}

.product-detail__spec-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.product-detail__spec-row dt {
  color: var(--color-text-secondary);
}

.product-detail__spec-row dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.product-detail__mono {
  font-variant-numeric: tabular-nums;
}

@media (max-width: 479px) {
  .product-detail__spec-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

/* ---------- Estados: carga / error / 404 ---------- */
.product-detail__message {
  text-align: center;
}

.product-detail__message-title {
  margin: 0;
  font-size: 1.2rem;
}

.product-detail__message .text-muted {
  max-width: 48ch;
  margin: 8px auto 0;
}

.product-detail__message-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.product-detail__skeleton {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

@media (min-width: 900px) {
  .product-detail__skeleton {
    grid-template-columns: minmax(0, 11fr) minmax(0, 10fr);
    gap: 40px;
  }
}

.product-detail__skeleton-media,
.product-detail__skeleton-lines span {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  animation: product-detail-pulse 1.4s ease-in-out infinite;
}

.product-detail__skeleton-media {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
}

.product-detail__skeleton-lines {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.product-detail__skeleton-lines span { display: block; height: 14px; }
.product-detail__skeleton-lines span:nth-child(1) { width: 25%; }
.product-detail__skeleton-lines span:nth-child(2) { width: 85%; height: 26px; }
.product-detail__skeleton-lines span:nth-child(3) { width: 45%; height: 36px; margin-top: 16px; }
.product-detail__skeleton-lines span:nth-child(4) { width: 60%; }

@keyframes product-detail-pulse {
  50% { opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  .product-detail__skeleton-media,
  .product-detail__skeleton-lines span {
    animation: none;
  }
}

/* REQ-006: localized loading, stale cards remain visible but inert. */
.catalog-results-body { position: relative; min-height: 180px; }
.catalog-grid-status { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; padding: 16px; }
.catalog-grid-status small { flex-basis: 100%; text-align: center; }
.catalog-results-body.is-updating .product-grid,
.catalog-results-body.is-updating .catalog-pagination { opacity: 0.35; pointer-events: none; }
.catalog-results-body.is-updating .catalog-grid-status {
  position: absolute; z-index: 2; top: 24px; left: 12px; right: 12px;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px;
}
.catalog-results-body.is-updating { min-height: 210px; }
.catalog-spinner { width: 24px; height: 24px; border: 3px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: catalog-spin 0.8s linear infinite; }
.catalog-indicators__item[aria-busy="true"] .catalog-indicators__value { font-size: 1rem; }
#catalogFacetStatus { font-size: 0.85rem; }
@keyframes catalog-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .catalog-spinner { animation: none; } }

/* ==========================================================================
   REQ-018 — Estado de conexión ML (encabezado global)
   ========================================================================== */

.ml-status { display: inline-flex; align-items: center; gap: 8px; }

.ml-status__indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border-warm);
  background: var(--color-surface-warm);
  color: var(--color-text-warm);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition);
}
a.ml-status__indicator:hover { border-color: var(--color-accent); text-decoration: none; color: var(--color-text); }
a.ml-status__indicator:focus-visible,
.ml-status__connect:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

.ml-status__dot { width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--color-text-muted); }
.ml-status--ok .ml-status__dot { background: var(--color-success); box-shadow: 0 0 0 3px var(--color-success-bg); }
.ml-status--warning .ml-status__dot { background: var(--color-warning); box-shadow: 0 0 0 3px var(--color-warning-bg); }
.ml-status--danger .ml-status__dot { background: var(--color-danger); box-shadow: 0 0 0 3px var(--color-danger-bg); }

@media (max-width: 768px) {
  .ml-status__connect { display: none; }
  .ml-status__indicator { padding: 4px 9px; font-size: 0.75rem; }
}

@media (max-width: 520px) {
  .app-header__user { gap: 6px; }
  .app-header__user .badge-role { display: none; }
  .ml-status__indicator { max-width: 124px; overflow: hidden; text-overflow: ellipsis; }
}

/* ==========================================================================
   REQ-018 — Matching ML: componentes compartidos
   ========================================================================== */

.matching-page { display: flex; flex-direction: column; gap: 20px; }
.matching-page .page-header { margin-bottom: 0; }
.matching-page .text-muted { color: var(--color-text-warm); opacity: 0.8; }

.matching-num { font-variant-numeric: tabular-nums; }

.matching-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}
.matching-badge svg { flex: none; }
.matching-badge--confirmado { background: var(--color-match-confirmado-bg); color: var(--color-match-confirmado); }
.matching-badge--posible { background: var(--color-match-posible-bg); color: var(--color-match-posible); }
.matching-badge--descartado { background: var(--color-match-descartado-bg); color: var(--color-match-descartado); }
.matching-badge--sin-candidato { background: transparent; color: var(--color-text-muted); border: 1px dashed var(--color-border-strong); }
.matching-badge--gtin { background: var(--color-accent-soft); color: var(--color-accent-dark); }
.matching-badge--texto { background: var(--color-surface-alt); color: var(--color-text-secondary); border: 1px solid var(--color-border); }

.matching-diff {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.matching-diff--ml_mayor { background: var(--color-diff-up-bg); color: var(--color-diff-up); }
.matching-diff--ml_menor { background: var(--color-diff-down-bg); color: var(--color-diff-down); }
.matching-diff--igual { background: var(--color-diff-even-bg); color: var(--color-diff-even); }
.matching-diff__note { display: block; margin-top: 3px; font-size: 0.7rem; color: var(--color-text-muted); }

.matching-price { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1rem; color: var(--color-text); }
.matching-price__label { display: block; margin-top: 4px; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; color: var(--color-text-secondary); }
.matching-price__label:first-child { margin-top: 0; }
.matching-price__meta { display: block; font-size: 0.74rem; color: var(--color-text-secondary); font-weight: 400; }

.matching-nopubs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid #f2debb;
  font-size: 0.8rem;
  font-weight: 600;
}

.matching-extlink {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent-dark);
}
.matching-extlink:hover { color: var(--color-accent); }
.matching-extlink:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; border-radius: 2px; }

.matching-thumb {
  width: 56px;
  height: 56px;
  flex: none;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-sm);
}
.matching-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: var(--color-surface-warm);
}
.matching-thumb--lg { width: 100%; height: 240px; padding: 8px; border-radius: var(--radius-md); }

/* ---------- Indicadores (KPIs) ---------- */

.matching-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }

.matching-kpi {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  background: var(--color-surface-warm);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
a.matching-kpi:hover { border-color: var(--color-accent); box-shadow: var(--shadow-md); text-decoration: none; }
a.matching-kpi:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.matching-kpi__value { font-size: 1.65rem; font-weight: 700; line-height: 1.1; color: var(--color-accent-dark); font-variant-numeric: tabular-nums; }
.matching-kpi__label { font-size: 0.78rem; color: var(--color-text-warm); }
.matching-filter-context { font-size: 0.88rem; }
.matching-category-chip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px; margin: 12px 0; padding: 10px 14px;
  border: 1px solid var(--color-accent-soft); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text);
}
.matching-category-chip a { color: var(--color-accent-dark); font-weight: 600; }

.matching-estados { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.matching-estados__title { font-size: 0.78rem; font-weight: 600; color: var(--color-text-warm); margin-right: 4px; }
.matching-estados__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 4px 2px 2px;
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}
.matching-estados__link:hover { background: var(--color-accent-soft); text-decoration: none; }
.matching-estados__link:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* ---------- Filtros ---------- */

.matching-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px 14px;
  align-items: end;
  padding: 16px 18px;
  background: var(--color-surface-warm);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.matching-filters__field { min-width: 0; }
.matching-filters__field label { display: block; margin-bottom: 4px; font-size: 0.78rem; font-weight: 600; color: var(--color-text-warm); }
.matching-filters__field select,
.matching-filters__field input[type="search"] {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
}
.matching-filters__field select:focus-visible,
.matching-filters__field input:focus-visible { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.matching-filters__field--search { grid-column: span 2; }
.matching-filters__actions { display: flex; gap: 8px; align-items: center; }
.matching-filters__actions .btn { min-height: 40px; }

.btn-accent { background: var(--color-accent); color: var(--color-text-inverse); }
.btn-accent:hover { background: var(--color-accent-dark); }
.btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* ---------- Tabla (escritorio) ---------- */

.matching-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.matching-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.matching-table th,
.matching-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: middle;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--color-border-warm);
}
.matching-table thead th {
  position: sticky;
  top: var(--header-height);
  z-index: 2;
  background: var(--color-surface-warm);
  color: var(--color-text-warm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.matching-table thead th:first-child { border-top-left-radius: var(--radius-lg); }
.matching-table thead th:last-child { border-top-right-radius: var(--radius-lg); }
.matching-table tbody tr:last-child td { border-bottom: none; }
.matching-row { cursor: pointer; transition: background var(--transition); }
.matching-row:hover,
.matching-row:focus-within { background: var(--color-surface-warm); }

.matching-cell--producto { width: 30%; }
.matching-producto { display: flex; align-items: center; gap: 12px; min-width: 0; }
.matching-producto__body { min-width: 0; }
.matching-producto__title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}
.matching-producto__title:hover { color: var(--color-accent-dark); }
.matching-producto__title:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.matching-producto__meta { margin-top: 2px; font-size: 0.74rem; color: var(--color-text-secondary); }

.matching-candidato__title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 3px;
  line-height: 1.3;
}
.matching-empty-cell { color: var(--color-text-muted); }

/* ---------- Paginación y estados vacíos ---------- */

.matching-pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px; }
.matching-pagination__info { font-size: 0.85rem; color: var(--color-text-warm); font-variant-numeric: tabular-nums; }
.matching-pagination .btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

.matching-empty {
  padding: 48px 20px;
  text-align: center;
  background: var(--color-surface-warm);
  border: 1px dashed var(--color-border-warm);
  border-radius: var(--radius-lg);
}
.matching-empty__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.matching-empty p { max-width: 460px; margin: 0 auto 14px; color: var(--color-text-warm); font-size: 0.9rem; }

/* ---------- Tabla → tarjetas (< 768 px) ---------- */

@media (max-width: 768px) {
  .matching-filters__field--search { grid-column: auto; }
  .matching-table-wrap { background: transparent; border: none; box-shadow: none; }
  .matching-table thead {
    position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
  }
  .matching-table,
  .matching-table tbody,
  .matching-table tr,
  .matching-table td { display: block; }
  .matching-row {
    margin-bottom: 12px;
    padding: 12px 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border-warm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
  }
  .matching-table td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: none;
    text-align: right;
  }
  .matching-table td::before {
    content: attr(data-label);
    flex: none;
    max-width: 38%;
    text-align: left;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
  }
  .matching-table td.matching-cell--producto { display: block; width: auto; padding-bottom: 10px; border-bottom: 1px solid var(--color-border-warm); text-align: left; }
  .matching-table td.matching-cell--producto::before { display: none; }
}

/* ==========================================================================
   REQ-018 — Matching ML: detalle
   ========================================================================== */

.matching-detail { display: grid; grid-template-columns: minmax(280px, 360px) minmax(0, 1fr); gap: 24px; align-items: start; }

.matching-product {
  position: sticky;
  top: calc(var(--header-height) + 16px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: var(--color-surface-warm);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.matching-product__brand { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-accent-dark); }
.matching-product__title { margin: 2px 0 0; font-size: 1.15rem; line-height: 1.3; }
.matching-product__desc { font-size: 0.85rem; color: var(--color-text-warm); margin: 0; }

.matching-facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; font-size: 0.85rem; }
.matching-facts dt { color: var(--color-text-secondary); }
.matching-facts dd { margin: 0; text-align: right; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

.matching-product__price { padding-top: 12px; border-top: 1px solid var(--color-border-warm); }
.matching-product__price .matching-price { font-size: 1.5rem; }

.matching-candidates { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.matching-candidates__title { margin: 0; font-size: 1rem; color: var(--color-text-warm); }

.matching-candidate {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-warm);
  border-left: 4px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.matching-candidate--confirmado { border-left-color: var(--color-match-confirmado); }
.matching-candidate--posible { border-left-color: var(--color-match-posible); }
.matching-candidate--descartado { border-left-color: var(--color-match-descartado); }

.matching-candidate__head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 10px 16px; }
.matching-candidate__title { margin: 0; font-size: 1rem; line-height: 1.35; flex: 1 1 260px; min-width: 0; }
.matching-candidate__badges { display: flex; flex-wrap: wrap; gap: 6px; }

.matching-prices { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 0; }
.matching-prices > div { padding: 10px 12px; background: var(--color-surface-warm); border: 1px solid var(--color-border-warm); border-radius: var(--radius-md); }
.matching-prices dt { font-size: 0.72rem; font-weight: 600; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.03em; }
.matching-prices dd { margin: 2px 0 0; }
.matching-candidate__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; font-size: 0.78rem; color: var(--color-text-secondary); }

.matching-evidence__summary { cursor: pointer; font-size: 0.85rem; font-weight: 700; color: var(--color-text-warm); padding: 4px 0; }
.matching-evidence__summary:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; border-radius: 2px; }
.matching-evidence__list { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; }
.matching-evidence__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--color-border-warm);
  font-size: 0.85rem;
}
.matching-evidence__icon { display: flex; justify-content: center; padding-top: 1px; }
.matching-evidence__name { font-weight: 600; }
.matching-evidence__state { font-weight: 400; color: var(--color-text-secondary); font-size: 0.78rem; }
.matching-evidence__values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 16px; margin: 4px 0 0; font-size: 0.8rem; }
.matching-evidence__values dt { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; color: var(--color-text-secondary); }
.matching-evidence__values dd { margin: 0; overflow-wrap: anywhere; }
.matching-evidence__none { color: var(--color-text-muted); font-style: italic; }
.matching-evidence__item--coincide .matching-evidence__icon { color: var(--color-match-confirmado); }
.matching-evidence__item--contradice .matching-evidence__icon { color: var(--color-diff-down); }
.matching-evidence__item--sin_dato .matching-evidence__icon { color: var(--color-text-muted); }
.matching-evidence__item--informativa .matching-evidence__icon { color: var(--color-primary); }

@media (max-width: 900px) {
  .matching-detail { grid-template-columns: minmax(0, 1fr); }
  .matching-product { position: static; }
  .matching-thumb--lg { height: 200px; }
}
@media (max-width: 480px) {
  .matching-evidence__values { grid-template-columns: minmax(0, 1fr); }
  .matching-candidate { padding: 16px; }
}

/* ==========================================================================
   REQ-018 — Dashboard: card Matching ML
   ========================================================================== */

.matching-summary { margin: 16px 0; }
.matching-summary.provider-card { background: var(--color-surface-warm); border-color: var(--color-border-warm); box-shadow: var(--shadow-soft); }
.matching-summary .provider-card__stat-value { color: var(--color-accent-dark); }
.matching-summary__link { font-weight: 600; font-size: 0.85rem; color: var(--color-accent-dark); }

/* ==========================================================================
   REQ-018 — Página de estado OAuth de Mercado Libre
   ========================================================================== */

.ml-oauth { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 16px; }
.ml-oauth__card {
  padding: 20px;
  background: var(--color-surface-warm);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.ml-oauth__card h2 { margin-bottom: 12px; font-size: 1rem; }
.ml-oauth__state { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 4px; }
.ml-oauth__state-text { font-weight: 700; }
.ml-oauth__hint { margin: 6px 0 0; font-size: 0.85rem; color: var(--color-text-warm); }
.ml-oauth__facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 14px 0 0; font-size: 0.85rem; }
.ml-oauth__facts dt { color: var(--color-text-secondary); }
.ml-oauth__facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.ml-oauth__actions { padding: 20px; background: var(--color-surface); border: 1px solid var(--color-border-warm); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.ml-oauth__actions form { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin: 0; }
.ml-oauth__actions .alert { margin-bottom: 14px; }
@media (max-width: 480px) {
  .ml-oauth__actions .btn { width: 100%; }
}

.matching-kpis + .matching-estados { margin-top: 12px; }
.matching-note { margin: 0; }

/* ==========================================================================
   REQ-019 — Matching: ancho de escritorio, precios, ocultar y baneados
   ========================================================================== */

/* Solo las pantallas de matching usan un contenedor más ancho. */
.app-container:has(> .matching-page) { max-width: 1560px; }

.matching-nowrap,
.matching-price,
.matching-diff { white-space: nowrap; }
.matching-price--main { font-size: 1.12rem; letter-spacing: -0.01em; }
.matching-table .matching-price__meta { white-space: nowrap; margin-top: 1px; }
.matching-cell--precio { min-width: 132px; }
.matching-cell--diff { min-width: 128px; }
.matching-cell--accion { width: 1%; white-space: nowrap; }
.matching-table .matching-extlink { margin-top: 4px; }
.matching-sku { font-variant-numeric: tabular-nums; font-size: 0.84rem; color: var(--color-text-warm); }
.matching-producto__title--static { cursor: default; }
.matching-row--static { cursor: default; }
.matching-table--baneados .matching-cell--producto { width: auto; }
.matching-filters--simple { grid-template-columns: minmax(220px, 520px) auto; }
.matching-filters--simple .matching-filters__field--search { grid-column: auto; }
.matching-hidden-link { gap: 8px; }
.matching-hidden-count {
  box-sizing: border-box;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 6px;
  background: var(--color-border);
  color: var(--color-text);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
}
.matching-hidden-link:hover .matching-hidden-count { background: var(--color-border-strong); }

/* "No mostrar más": acción secundaria y reversible, discreta pero clara */
.matching-hide-form { margin: 0; }
.matching-hide-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 5px 11px;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.matching-hide-btn:hover { color: var(--color-text); background: var(--color-surface-alt); border-color: var(--color-text-secondary); }
.matching-hide-btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.matching-hide-btn--block { width: 100%; justify-content: center; min-height: 40px; }
.matching-product__hide { padding-top: 12px; border-top: 1px solid var(--color-border-warm); }
.matching-restore-btn { white-space: nowrap; }

/* Evidencia legible (texto largo, p. ej. descubrimiento de catálogo) */
.matching-evidence__text { display: block; line-height: 1.4; color: var(--color-text); }

@media (max-width: 768px) {
  .matching-filters--simple { grid-template-columns: minmax(0, 1fr); }
  .matching-cell--accion { width: auto; }
  .matching-cell--precio, .matching-cell--diff { min-width: 0; }
  .matching-hide-btn { min-height: 40px; }
  .matching-hidden-link { width: 100%; }
}